{"status":"ok","adapter_version":"1.4.0","message":"TrafficVision TMC3 A2A Adapter (JSON-RPC + REST supported)","endpoints":{"sendMessage":"/a2a/sendMessage","jsonrpc":"/a2a (POST with method in body)","agentCard":"/.well-known/agent-card.json","agentJson":"/.well-known/agent.json","health":"/health","userGuide":"/user-guide/","capabilities":"ask 'what can you do?' or 'what version is this?'"}}